package io.datajek.springbasics.movierecommendersystem.lesson10;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;

@SpringBootApplication	
public class MovieRecommenderSystemApplication {

	public static void main(String[] args) {
		//ApplicationContext负责管理Bean和依赖关系。
		ApplicationContext appContext = SpringApplication.run(MovieRecommenderSystemApplication.class, args);


		//从Application Context中获得Singleton Bean
		ContentBasedFilter filter = appContext.getBean(ContentBasedFilter.class);
		System.out.println("\nContentBasedFilter bean with singleton scope");
		System.out.println(filter);

		//从Singleton Bean中获得Prototype Bean三次
		Movie movie1 = filter.getMovie();
		Movie movie2 = filter.getMovie();
		Movie movie3 = filter.getMovie();

		System.out.println("\nMovie bean with prototype scope");
		System.out.println(movie1);
		System.out.println(movie2);
		System.out.println(movie3);

		//打印各种Bean的实例数
		System.out.println("\nContentBasedFilter instances created: "+
				ContentBasedFilter.getInstances());
		System.out.println("Movie instances created: "+ Movie.getInstances());


//		//RecommenderImplementation使用构造函数注入依赖关系
//		System.out.println("\n*************************************************");
//		System.out.println("Calling getBean() on RecommenderImplementation");
//		Recommenderlmplementation recommender = appContext.getBean(Recommenderlmplementation.class);
//		String[] result = recommender.recommendMovies("Finding Dory");
//		System.out.println(Arrays.toString(result));
//
//		//RecommenderImplementation2使用setter方法注入依赖关系
//		System.out.println("\n*************************************************");
//		System.out.println("Calling getBean() on RecommenderImplementation2");
//		RecommenderImplementation2 recommender2 = appContext.getBean(RecommenderImplementation2.class);
//		result = recommender2.recommendMovies("Finding Dory");
//		System.out.println(Arrays.toString(result));

		//从Application Context中三次检索Singleton Bean
//		ContentBasedFilter cbf1 = appContext.getBean(ContentBasedFilter.class);
//		ContentBasedFilter cbf2 = appContext.getBean(ContentBasedFilter.class);
//		ContentBasedFilter cbf3= appContext.getBean(ContentBasedFilter.class);
//
//		System.out.println(cbf1);
//		System.out.println(cbf2);
//		System.out.println(cbf3);
    	}

}
